🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.65 AU - 0.71 AU

Year: 211 Days

Day: 30.5 Hours

Environment

Temp: 160 °C

Axial Tilt: 29.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.09 AU - 1.29 AU

Year: 489 Days

Day: 23.3 Hours

Environment

Temp: -4 °C

Axial Tilt: 38.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.59 AU - 3.99 AU

Year: 2780 Days

Day: 14.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.6

Radius: 14.5

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.56 AU - 5.06 AU

Year: 3974 Days

Day: 5.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 106,760,221 km

• M1: 180,415 km (0.062 R)
• M2: 1,036,863 km (0.054 R)
• M3: 1,865,635 km (0.062 R)
• M4: 2,568,147 km (0.059 R)
• M5: 3,216,205 km (0.114 R)
• M6: 3,908,394 km (0.093 R)
• M7: 4,462,355 km (0.099 R)
• M8: 5,896,550 km (0.102 R)
• M9: 7,387,592 km (0.067 R)
• M10: 9,462,963 km (0.119 R)
• M11: 11,588,001 km (0.115 R)
• M12: 13,317,502 km (0.089 R)
• M13: 15,537,085 km (0.074 R)
• M14: 17,577,151 km (0.086 R)
• M15: 23,665,785 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.3

Radius: 11.6

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 7.09 AU - 10.91 AU

Year: 10172 Days

Day: 10.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 106,760,221 km

• M1: 148,102 km (0.12 R)
• M2: 742,753 km (0.104 R)
• M3: 1,182,272 km (0.054 R)
• M4: 1,733,091 km (0.094 R)
• M5: 2,450,563 km (0.095 R)
• M6: 2,951,865 km (0.095 R)
• M7: 5,795,272 km (0.102 R)
• M8: 8,952,236 km (0.083 R)
• M9: 11,032,843 km (0.079 R)
• M10: 12,905,210 km (0.037 R)
• M11: 13,837,354 km (0.038 R)
• M12: 18,789,792 km (0.03 R)
• M13: 21,233,772 km (0.112 R)
• M14: 21,948,551 km (0.032 R)
• M15: 26,415,094 km (0.03 R)
• M16: 27,158,596 km (0.115 R)
• M17: 28,171,523 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120

Radius: 4.6

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 9.8 AU - 15.86 AU

Year: 17313 Days

Day: 21.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 106,760,221 km

• M1: 57,146 km (0.115 R)
• M2: 203,752 km (0.069 R)
• M3: 457,171 km (0.061 R)
• M4: 728,093 km (0.104 R)
• M5: 923,168 km (0.069 R)
• M6: 1,218,624 km (0.119 R)
• M7: 2,159,296 km (0.057 R)
• M8: 2,383,094 km (0.05 R)
• M9: 4,599,985 km (0.041 R)
• M10: 6,551,788 km (0.076 R)
• M11: 6,801,916 km (0.116 R)
• M12: 7,208,074 km (0.12 R)
• M13: 7,630,090 km (0.116 R)
• M14: 9,439,027 km (0.104 R)
• M15: 9,620,639 km (0.106 R)
• M16: 14,529,544 km (0.044 R)
• M17: 15,016,634 km (0.105 R)
• M18: 15,514,496 km (0.103 R)
• M19: 17,344,078 km (0.05 R)
• M20: 19,531,947 km (0.068 R)
• M21: 20,577,636 km (0.032 R)
• M22: 21,817,802 km (0.112 R)
• M23: 27,278,125 km (0.12 R)
• M24: 29,443,404 km (0.066 R)
• M25: 31,619,305 km (0.049 R)
• M26: 36,066,551 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 730.4

Radius: 5.7

Gravity: 22.48 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 17.98 AU - 20.82 AU

Year: 32191 Days

Day: 21.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 106,760,221 km

• M1: 71,209 km (0.11 R)
• M2: 259,852 km (0.117 R)
• M3: 595,100 km (0.089 R)
• M4: 1,087,427 km (0.114 R)
• M5: 1,659,190 km (0.104 R)
• M6: 2,782,072 km (0.087 R)
• M7: 3,097,873 km (0.099 R)
• M8: 4,046,174 km (0.066 R)
• M9: 4,413,885 km (0.07 R)
• M10: 4,645,163 km (0.105 R)
• M11: 4,884,520 km (0.106 R)
• M12: 7,862,864 km (0.119 R)
• M13: 8,377,182 km (0.09 R)
• M14: 9,159,130 km (0.12 R)
• M15: 9,988,650 km (0.075 R)
• M16: 10,523,462 km (0.095 R)
• M17: 13,407,111 km (0.087 R)
• M18: 14,057,413 km (0.068 R)
• M19: 14,728,658 km (0.066 R)
• M20: 16,592,199 km (0.113 R)
• M21: 17,152,144 km (0.05 R)
• M22: 27,131,219 km (0.112 R)
• M23: 33,322,327 km (0.094 R)
• M24: 34,967,156 km (0.041 R)
• M25: 37,614,440 km (0.104 R)
• M26: 44,008,851 km (0.06 R)
• M27: 44,186,274 km (0.116 R)
• M28: 50,895,440 km (0.042 R)
• M29: 53,476,003 km (0.099 R)
• M30: 55,106,470 km (0.102 R)
• M31: 55,934,195 km (0.038 R)
• M32: 56,142,286 km (0.056 R)
• M33: 59,978,573 km (0.109 R)
• M34: 65,130,126 km (0.109 R)
• M35: 66,287,714 km (0.115 R)
• M36: 69,842,758 km (0.074 R)
• M37: 70,326,109 km (0.116 R)
• M38: 73,273,486 km (0.111 R)
• M39: 79,676,275 km (0.116 R)
• M40: 93,580,649 km (0.086 R)
• M41: 95,350,541 km (0.108 R)
• M42: 105,167,901 km (0.084 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 10,345 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit